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TPS77115 PDF预览

TPS77115

更新时间： 2024-11-22 21:55:35
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德州仪器 - TI 稳压器
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24页 349K
描述
150-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING

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TPS77115 数据手册

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TPS77101/115/118/127/128/133/150 WITH RESET OUTPUT  
TPS77201/215/218/227/228/233/250 WITH POWER GOOD OUTPUT  
150-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING  
SLVS225D – FEBRUARY 2000 – REVISED OCTOBER 2000  
D
D
Open Drain Power-On Reset With 220-ms  
Delay (TPS771xx)  
TPS771xx  
DGK Package  
(TOP VIEW)  
Open Drain Power-Good (PG) Status  
Output (TPS772xx)  
FB/SENSE  
RESET  
EN  
8
7
6
5
OUT  
OUT  
IN  
1
2
3
4
D
150-mA Low-Dropout Voltage Regulator  
D
Available in 1.5-V, 1.8-V, 2.7-V, 2.8-V, 3.3-V,  
5.0-V Fixed Output and Adjustable Versions  
GND  
IN  
D
D
D
D
Dropout Voltage Typically 115 mV  
at 150 mA (TPS77133, TPS77233)  
TPS772xx  
DGK Package  
(TOP VIEW)  
Ultralow 92-µA Quiescent Current (Typ)  
8-Pin MSOP (DGK) Package  
FB/SENSE  
PG  
OUT  
OUT  
IN  
1
2
3
4
8
7
6
5
Low Noise (55 µV  
) Without External  
rms  
Filter (Bypass) Capacitor (TPS77118,  
TPS77218)  
EN  
GND  
IN  
D
2% Tolerance Over Specified Conditions  
for Fixed-Output Versions  
TPS77x33  
D
Fast Transient Response  
DROPOUT VOLTAGE  
vs  
JUNCTION TEMPERATURE  
D
Thermal Shutdown Protection  
300  
description  
250  
200  
150  
100  
50  
The TPS771xx and TPS772xx are low-dropout  
regulators with integrated power-on reset and  
power good (PG) function respectively. These  
devicesarecapableofsupplying150mAofoutput  
current with a dropout of 115 mV (TPS77133,  
TPS77233). Quiescent current is 92 µA at full load  
dropping down to 1 µA when device is disabled.  
These devices are optimized to be stable with a  
wide range of output capacitors including lowESR  
ceramic (10 µF) or low capacitance (1 µF)  
tantalum capacitors. These devices have ex-  
I
= 150 mA  
O
I
= 10 mA  
O
I
O
= 0 A  
tremely low noise output performance (55 µV  
)
rms  
0
without using any added filter capacitors.  
TPS771xx and TPS772xx are designed to have  
fast transient response for larger load current  
changes.  
–50  
–40  
0
40  
80  
120  
160  
T
J
– Junction Temperature – °C  
The TPS771xx or TPS772xx is offered in 1.5 V,  
1.8-V, 2.7-V, 2.8-V, 3.3-V, and 5.0 V fixed-voltage versions and in an adjustable version (programmable over  
the range of 1.5 V to 5.5 V). Output voltage tolerance is 2% over line, load, and temperature ranges. The  
TPS771xx and TPS772xx families are available in 8-pin MSOP (DGK) packages.  
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 115 mV  
at an output current of 150 mA for 3.3 volt option) and is directly proportional to the output current. Additionally,  
since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent  
of output loading (typically 92 µA over the full range of output current, 0 mA to 150 mA). These two key  
specifications yield a significant improvement in operating life for battery-powered systems.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 2000, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...24

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